VACUUBRAND MZ 2 VARIO-SP - Manual (Page 22)

page 22 of 51
Technical data
Type MZ 2 VARIO-SP MD 4 VARIO-SP
Maximum pumping speed
(ISO 21360; at 2400 rpm)
cfm
(m 3 /h)
1.7
(2.9)
2.7
(4.5)
Ultimate vacuum (absolute)
Torr
(mbar)
5.3 (at 700 rpm)
(7)
0.75 (at 700 rpm)
(1.0)
Maximum permissible inlet
pressure (absolute)
psi
(bar)
16
(1.1)
Maximum permissible outlet
pressure (absolute)
psi
(bar)
16
(1.1)
Maximum pressure difference
between inlet and outlet
psi
(bar)
16
(1.1)
Permissible ambient tempera-
ture storage / operation
°F
(°C)
14 to 140 / 50 to 104
(-10 to +60 / +10 to +40)
Permissible relative
atmospheric moisture during
operation (no condensation)
% 30 to 85
Maximum permissible
installation altitude above
mean sea level
ft
(m)
6500
(2000)
Rated motor power hp (kW) 0.21 (0.16)
No-load speed rpm 400 - 2400
Maximum permissible range
of supply voltage ( ±10% )
Attention: Observe specifica-
tions of rating plate!
24 V DC
safe extra low voltage (SELV)*
Maximum rated current A 7
Typical operational current
(< 7.5 Torr, at 1500 rpm)
A 2.0 2.5
Motor protection
current limitation and motor switch-off
(temperature sensor on the circuit
board)
Degree of protection IEC 529 IP 20
Inlet
hose nozzle for tub-
ing I.D. 3/8” (hose
nozzle DN 10 mm)
small flange
DN 16
Outlet silencer